/**
* collectd - src/dns.c
* Copyright (C) 2006,2007 Florian octo Forster
+ * Copyright (C) 2009 Mirko Buffoni
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
*
* Authors:
* Florian octo Forster <octo at verplant.org>
+ * Mirko Buffoni <briareos at eswat.org>
**/
#define _BSD_SOURCE
{
"Interface",
"IgnoreSource",
- NULL
+ "SelectNumericQueryTypes"
};
-static int config_keys_num = 2;
+static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
+static int select_numeric_qtype = 1;
#define PCAP_SNAPLEN 1460
static char *pcap_device = NULL;
{
counter_list_t *entry;
- DEBUG ("counter_list_search (list = %p, key = %u)",
- (void *) *list, key);
-
for (entry = *list; entry != NULL; entry = entry->next)
if (entry->key == key)
break;
- DEBUG ("return (%p)", (void *) entry);
return (entry);
}
{
counter_list_t *entry;
- DEBUG ("counter_list_create (list = %p, key = %u, value = %u)",
- (void *) *list, key, value);
-
entry = (counter_list_t *) malloc (sizeof (counter_list_t));
if (entry == NULL)
return (NULL);
last->next = entry;
}
- DEBUG ("return (%p)", (void *) entry);
return (entry);
}
{
counter_list_t *entry;
- DEBUG ("counter_list_add (list = %p, key = %u, increment = %u)",
- (void *) *list, key, increment);
-
entry = counter_list_search (list, key);
if (entry != NULL)
{
counter_list_create (list, key, increment);
}
- DEBUG ("return ()");
}
static int dns_config (const char *key, const char *value)
if (value != NULL)
ignore_list_add_name (value);
}
+ else if (strcasecmp (key, "SelectNumericQueryTypes") == 0)
+ {
+ if ((value != NULL) && IS_FALSE (value))
+ select_numeric_qtype = 0;
+ else
+ select_numeric_qtype = 1;
+ }
else
{
return (-1);
if (dns->qr == 0)
{
/* This is a query */
+ int skip = 0;
+ if (!select_numeric_qtype)
+ {
+ const char *str = qtype_str(dns->qtype);
+ if ((str == NULL) || (str[0] == '#'))
+ skip = 1;
+ }
+
pthread_mutex_lock (&traffic_mutex);
tr_queries += dns->length;
pthread_mutex_unlock (&traffic_mutex);
- pthread_mutex_lock (&qtype_mutex);
- counter_list_add (&qtype_list, dns->qtype, 1);
- pthread_mutex_unlock (&qtype_mutex);
+ if (skip == 0)
+ {
+ pthread_mutex_lock (&qtype_mutex);
+ counter_list_add (&qtype_list, dns->qtype, 1);
+ pthread_mutex_unlock (&qtype_mutex);
+ }
}
else
{
return (NULL);
}
- DEBUG ("PCAP object created.");
+ DEBUG ("dns plugin: PCAP object created.");
dnstop_set_pcap_obj (pcap_obj);
dnstop_set_callback (dns_child_callback);
ERROR ("dns plugin: Listener thread is exiting "
"abnormally: %s", pcap_geterr (pcap_obj));
- DEBUG ("child is exiting");
+ DEBUG ("dns plugin: Child is exiting.");
pcap_close (pcap_obj);
listen_thread_init = 0;
for (i = 0; i < len; i++)
{
- DEBUG ("qtype = %u; counter = %u;", keys[i], values[i]);
+ DEBUG ("dns plugin: qtype = %u; counter = %u;", keys[i], values[i]);
submit_counter ("dns_qtype", qtype_str (keys[i]), values[i]);
}
for (i = 0; i < len; i++)
{
- DEBUG ("opcode = %u; counter = %u;", keys[i], values[i]);
+ DEBUG ("dns plugin: opcode = %u; counter = %u;", keys[i], values[i]);
submit_counter ("dns_opcode", opcode_str (keys[i]), values[i]);
}
for (i = 0; i < len; i++)
{
- DEBUG ("rcode = %u; counter = %u;", keys[i], values[i]);
+ DEBUG ("dns plugin: rcode = %u; counter = %u;", keys[i], values[i]);
submit_counter ("dns_rcode", rcode_str (keys[i]), values[i]);
}